USDA Detects First Case of New World Screwworm in South Texas
This is the first known case of the flesh-eating parasite in the United States since 2017.

TL;DR
- A case of New World screwworm was detected in South Texas.
- This is the first U.S. detection of the parasite since 2017.
- The affected animal was a 3-week-old calf with larvae in its umbilical area.
- No further detections have been confirmed to date.
- Personnel and local partners have been activated by the USDA.
- Previous confirmed cases in Mexico were recently found near the Texas border.